212120103304 has 32 divisors (see below), whose sum is σ = 402093888480. Its totient is φ = 104898285184.

The previous prime is 212120103271. The next prime is 212120103311. The reversal of 212120103304 is 403301021212.

It is a happy number.

212120103304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327339 + ... + 728965.

It is an arithmetic number, because the mean of its divisors is an integer number (12565434015).

Almost surely, 2^212120103304 is an apocalyptic number.

It is an amenable number.

212120103304 is a deficient number, since it is larger than the sum of its proper divisors (189973785176).

212120103304 is a wasteful number, since it uses less digits than its factorization.

212120103304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402357 (or 402353 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212120103304 its reverse (403301021212), we get a palindrome (615421124516).

The spelling of 212120103304 in words is "two hundred twelve billion, one hundred twenty million, one hundred three thousand, three hundred four".